When most people think of crepes, they think of the on-the-go snack from France, spread with sugar or Nutella, or the fancier flambéed Crepe Suzette, served for dessert in fine restaurants. But crepes can make an excellent meal, especially when they are stuffed with lots of fresh ingredients, like those at Arrow Street Crepes in Harvard Square. Arrow Street Crepes is a small place, with the kitchen and the crepe pans right out in......